| In millions, except per share items | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Interest income: |
| Interest income on loans | 363.8 | 390.8 | 440.2 | 396.0 | 344.6 | 299.6 | 274.4 | 263.6 |
| Interest income on investments | 39.2 | 49.3 | 56.4 | 68.3 | 79.2 | 81.3 | 85.1 | 85.0 |
| Interest income on repurchase agreements | | 0.0 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| | 442.5 | 468.3 | 510.5 | 485.6 | 449.8 | 412.1 | 412.2 | 426.9 |
| Interest on deposits | 16.9 | 37.5 | 79.2 | 53.9 | 22.7 | 12.7 | 12.6 | 15.3 |
| Total interest expense | 17.2 | 38.3 | 80.6 | 66.2 | 42.2 | 24.5 | 20.5 | 21.5 |
| Net interest income | 459.7 | 506.6 | 591.1 | 419.4 | 407.6 | 387.5 | 391.8 | 405.3 |
| Net interest income after provision for loan losses | 459.7 | 506.6 | 591.1 | 419.4 | 407.6 | 387.5 | 391.8 | 405.3 |
| Deposit and loan fees | | | | 43.7 | 44.0 | 45.3 | 47.4 | 48.7 |
| Gain on sale of investments, net | | | | | | | | 0.3 |
| Other non-interest income | 221.9 | 274.6 | 187.0 | 141.1 | 140.7 | 128.7 | 125.8 | 124.2 |
| Total non-interest income | 221.9 | 274.6 | 187.0 | 184.8 | 184.7 | 173.9 | 173.1 | 173.1 |
| Non-interest expenses | 489.3 | 466.3 | 429.0 | 415.4 | 430.2 | 407.3 | 401.7 | 409.0 |
| Pre-tax income before non-recurring items | 175.4 | 189.8 | 173.8 | 171.9 | 172.0 | 139.5 | 151.5 | 162.1 |
| Non-recurring items | | | | | 17.6 | | | |
| Pre-tax income | 175.4 | 189.8 | 173.8 | 171.9 | 154.3 | 139.5 | 151.5 | 162.1 |
| Income taxes | 28.0 | 29.8 | 23.3 | 22.3 | 48.7 | 31.1 | 35.4 | 38.5 |
| Tax rate | 16.0% | 15.7% | 13.4% | 13.0% | 31.6% | 22.3% | 23.4% | 23.8% |
| Net income | 147.4 | 160.0 | 150.5 | 149.6 | 105.6 | 108.4 | 116.0 | 123.6 |
| Net margin | 20.2% | 19.4% | 18.3% | 23.2% | 16.8% | 18.1% | 19.3% | 20.2% |
| |
| Basic EPS | $2.35 | $2.52 | $2.33 | $2.22 | $1.56 | $1.60 | $1.72 | $1.83 |
| Diluted EPS | $2.34 | $2.51 | $2.32 | $2.21 | $1.56 | $1.60 | $1.71 | $1.83 |
| |
| Shares outstanding (basic) | 62.8 | 63.5 | 64.6 | 67.5 | 67.7 | 67.6 | 67.6 | 67.4 |
| Shares outstanding (diluted) | 63.0 | 63.6 | 64.8 | 67.7 | 67.9 | 67.8 | 67.7 | 67.6 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |